:root {
            --primary: #FF3E41;
            --secondary: #00D4FF;
            --accent: #FFD300;
            --dark: #1A1A2E;
            --light: #F5F5F5;
            --text: #333333;
            --bg: #F0F0F0;
            --card-bg: #FFFFFF;
            --font-main: 'Arial', sans-serif;
            --font-heading: 'Georgia', serif;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-main);
            color: var(--text);
            background-color: var(--bg);
            line-height: 1.6;
            padding-top: 80px;
            overflow-x: hidden;
        }

        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: var(--dark);
            color: var(--light);
            padding: 1rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }

        .logo {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--accent);
            text-decoration: none;
        }

        .logo span {
            color: var(--secondary);
        }

        nav ul {
            display: flex;
            list-style: none;
        }

        nav ul li {
            margin-left: 1.5rem;
        }

        nav ul li a {
            color: var(--light);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }

        nav ul li a:hover {
            color: var(--accent);
        }

        .burger {
            display: none;
            cursor: pointer;
            flex-direction: column;
            justify-content: space-between;
            width: 30px;
            height: 21px;
        }

        .burger span {
            display: block;
            height: 3px;
            width: 100%;
            background-color: var(--light);
            transition: all 0.3s;
        }

        section {
            padding: 4rem 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        h1, h2, h3 {
            font-family: var(--font-heading);
            margin-bottom: 1.5rem;
            color: var(--dark);
        }

        h1 {
            font-size: 2.5rem;
            line-height: 1.2;
        }

        h2 {
            font-size: 2rem;
            position: relative;
            padding-bottom: 0.5rem;
        }

        h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 3px;
            background-color: var(--primary);
        }

        h3 {
            font-size: 1.5rem;
            color: var(--primary);
        }

        p {
            margin-bottom: 1rem;
        }

        .btn {
            display: inline-block;
            padding: 0.8rem 1.8rem;
            background-color: var(--primary);
            color: var(--light);
            text-decoration: none;
            border-radius: 4px;
            font-weight: bold;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
            font-size: 1rem;
        }

        .btn:hover {
            background-color: var(--dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }

        .btn-secondary {
            background-color: var(--secondary);
        }

        .btn-secondary:hover {
            background-color: var(--dark);
        }

        .hero {
            background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
            color: var(--light);
            padding: 6rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('https://images.unsplash.com/photo-1535905557558-afc4877a26fc?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80') no-repeat center center/cover;
            opacity: 0.2;
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero h1 {
            color: var(--light);
            font-size: 3rem;
            margin-bottom: 1rem;
        }

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.9;
        }

        .book-cover {
            max-width: 300px;
            margin: 2rem auto;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            border-radius: 4px;
            transition: transform 0.3s;
            display: block;
        }

        .book-cover:hover {
            transform: scale(1.05);
        }

        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .feature-card {
            background-color: var(--card-bg);
            padding: 2rem;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }

        .feature-card h3 {
            margin-bottom: 1rem;
            color: var(--secondary);
        }

        .feature-card i {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 1rem;
            display: inline-block;
        }

        .quote {
            background-color: var(--dark);
            color: var(--light);
            padding: 3rem;
            border-radius: 8px;
            margin: 3rem 0;
            position: relative;
        }

        .quote::before {
            content: '"';
            position: absolute;
            top: 1rem;
            left: 1rem;
            font-size: 5rem;
            color: rgba(255, 255, 255, 0.1);
            font-family: var(--font-heading);
        }

        .quote p {
            font-size: 1.4rem;
            font-style: italic;
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }

        .quote-author {
            font-weight: bold;
            color: var(--accent);
        }

        .pricing {
            background-color: var(--card-bg);
            padding: 3rem;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            margin-top: 2rem;
        }

        .pricing-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .pricing-card {
            background-color: var(--bg);
            padding: 2rem;
            border-radius: 8px;
            text-align: center;
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }

        .pricing-card.featured {
            border: 2px solid var(--accent);
            transform: scale(1.05);
        }

        .pricing-card h3 {
            margin-bottom: 1rem;
            color: var(--dark);
        }

        .price {
            font-size: 2.5rem;
            font-weight: bold;
            color: var(--primary);
            margin: 1rem 0;
        }

        .price span {
            font-size: 1rem;
            color: var(--text);
        }

        .pricing-card ul {
            list-style: none;
            margin: 1.5rem 0;
        }

        .pricing-card ul li {
            margin-bottom: 0.5rem;
            position: relative;
            padding-left: 1.5rem;
        }

        .pricing-card ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--secondary);
            font-weight: bold;
        }

        .faq {
            margin-top: 4rem;
        }

        .faq-item {
            margin-bottom: 1rem;
            border: 1px solid #ddd;
            border-radius: 8px;
            overflow: hidden;
        }

        .faq-question {
            padding: 1.5rem;
            background-color: var(--card-bg);
            cursor: pointer;
            font-weight: bold;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background-color 0.3s;
        }

        .faq-question:hover {
            background-color: #f9f9f9;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            transition: transform 0.3s;
        }

        .faq-question.active::after {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 1.5rem;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s, padding 0.3s;
            background-color: var(--light);
        }

        .faq-answer.show {
            padding: 1.5rem;
            max-height: 500px;
        }

        .contact-form {
            background-color: var(--card-bg);
            padding: 3rem;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            margin-top: 2rem;
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: bold;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-family: var(--font-main);
        }

        .form-group textarea {
            min-height: 150px;
            resize: none;
        }

        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            z-index: 2000;
            justify-content: center;
            align-items: center;
        }

        .modal-content {
            background-color: var(--card-bg);
            padding: 3rem;
            border-radius: 8px;
            max-width: 500px;
            width: 90%;
            text-align: center;
            position: relative;
            animation: modalFadeIn 0.3s;
        }

        @keyframes modalFadeIn {
            from {
                opacity: 0;
                transform: translateY(-50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .close-modal {
            position: absolute;
            top: 1rem;
            right: 1rem;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text);
        }

        .cookie-banner {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background-color: var(--dark);
            color: var(--light);
            padding: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 1000;
            transform: translateY(100%);
            transition: transform 0.3s;
        }

        .cookie-banner.show {
            transform: translateY(0);
        }

        .cookie-banner p {
            margin-right: 1rem;
            flex: 1;
        }

        .cookie-banner .btn {
            margin-left: 1rem;
        }

        footer {
            background-color: var(--dark);
            color: var(--light);
            padding: 3rem 2rem;
            margin-top: 4rem;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .footer-column h3 {
            color: var(--accent);
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }

        .footer-column ul {
            list-style: none;
        }

        .footer-column ul li {
            margin-bottom: 0.8rem;
        }

        .footer-column ul li a {
            color: var(--light);
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-column ul li a:hover {
            color: var(--accent);
        }

        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .disclaimer {
            font-size: 0.8rem;
            opacity: 0.7;
            margin-top: 2rem;
        }

        @media (max-width: 768px) {
            nav ul {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 80px);
                background-color: var(--dark);
                flex-direction: column;
                align-items: center;
                padding-top: 2rem;
                transition: left 0.3s;
            }

            nav ul.show {
                left: 0;
            }

            nav ul li {
                margin: 1rem 0;
            }

            .burger {
                display: flex;
            }

            h1 {
                font-size: 2rem;
            }

            h2 {
                font-size: 1.8rem;
            }

            section {
                padding: 3rem 1rem;
            }

            .hero {
                padding: 4rem 1rem;
            }

            .hero h1 {
                font-size: 2.2rem;
            }

            .book-cover {
                max-width: 200px;
            }

            .cookie-banner {
                flex-direction: column;
                text-align: center;
            }

            .cookie-banner .btn {
                margin: 1rem 0 0;
            }
        }

        /* Retro-futurism animations */
        @keyframes float {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }

        .floating {
            animation: float 3s ease-in-out infinite;
        }

        .parallax-bg {
            background-attachment: fixed;
            background-position: center;
            background-repeat: no-repeat;
            background-size: cover;
        }

        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s, transform 0.6s;
        }

        .fade-in.show {
            opacity: 1;
            transform: translateY(0);
        }